Find the measure of x

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?